package com.ywt.cda.resolver;

import org.springframework.core.MethodParameter;
import org.springframework.web.bind.support.WebDataBinderFactory;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.method.support.ModelAndViewContainer;

import com.ywt.cda.domain.UserAgent;

public class UserAgentArgumentResolver implements HandlerMethodArgumentResolver {
	
	@Override
	public boolean supportsParameter(MethodParameter parameter)
	{
		return parameter.getParameterType().equals(UserAgent.class);
	}

	@Override
	public Object resolveArgument(MethodParameter parameter,
			ModelAndViewContainer mavContainer, NativeWebRequest webRequest,
			WebDataBinderFactory binderFactory) throws Exception
	{
		return webRequest.getAttribute(UserAgent.USER_AGENT_IN_REQUEST, NativeWebRequest.SCOPE_REQUEST);
	}
}
